1 // SPDX-License-Identifier: GPL-2.0-only
34 * every 5 seconds under load will give us a significant
41 	"User space notification delay in milli seconds.");
94  * - cpu hotplug: Read serialized by cpu hotplug lock
97  * - Other callsites: Must hold pkg_temp_lock
113 	ret = intel_tcc_get_temp(zonedev->cpu, &val, true);  in sys_get_curr_temp()
127 	unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv);  in sys_set_trip_temp()
131 	tj_max = intel_tcc_get_tjmax(zonedev->cpu);  in sys_set_trip_temp()
136 	val = (tj_max - temp)/1000;  in sys_set_trip_temp()
139 		return -EINVAL;  in sys_set_trip_temp()
141 	ret = rdmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT,  in sys_set_trip_temp()
167 	return wrmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT,  in sys_set_trip_temp()
226 	zonedev->work_scheduled = false;  in pkg_temp_thermal_threshold_work_fn()
229 	tzone = zonedev->tzone;  in pkg_temp_thermal_threshold_work_fn()
264 	if (zonedev && !zonedev->work_scheduled) {  in pkg_thermal_notify()
265 		zonedev->work_scheduled = true;  in pkg_thermal_notify()
266 		pkg_thermal_schedule_work(zonedev->cpu, &zonedev->work);  in pkg_thermal_notify()
298 			tj_max - thres_reg_value * 1000 : THERMAL_TEMP_INVALID;  in pkg_temp_thermal_trips_init()
321 		return -ENOMEM;  in pkg_temp_thermal_device_add()
326 		return -ENODEV;  in pkg_temp_thermal_device_add()
337 		return -ENOMEM;  in pkg_temp_thermal_device_add()
343 	INIT_DELAYED_WORK(&zonedev->work, pkg_temp_thermal_threshold_work_fn);  in pkg_temp_thermal_device_add()
344 	zonedev->cpu = cpu;  in pkg_temp_thermal_device_add()
345 	zonedev->tzone = thermal_zone_device_register_with_trips("x86_pkg_temp",  in pkg_temp_thermal_device_add()
348 	if (IS_ERR(zonedev->tzone)) {  in pkg_temp_thermal_device_add()
349 		err = PTR_ERR(zonedev->tzone);  in pkg_temp_thermal_device_add()
352 	err = thermal_zone_device_enable(zonedev->tzone);  in pkg_temp_thermal_device_add()
357 	rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, zonedev->msr_pkg_therm_low,  in pkg_temp_thermal_device_add()
358 	      zonedev->msr_pkg_therm_high);  in pkg_temp_thermal_device_add()
360 	cpumask_set_cpu(cpu, &zonedev->cpumask);  in pkg_temp_thermal_device_add()
368 	thermal_zone_device_unregister(zonedev->tzone);  in pkg_temp_thermal_device_add()
383 	target = cpumask_any_but(&zonedev->cpumask, cpu);  in pkg_thermal_cpu_offline()
384 	cpumask_clear_cpu(cpu, &zonedev->cpumask);  in pkg_thermal_cpu_offline()
391 		struct thermal_zone_device *tzone = zonedev->tzone;  in pkg_thermal_cpu_offline()
400 		zonedev->tzone = NULL;  in pkg_thermal_cpu_offline()
414 	was_target = zonedev->cpu == cpu;  in pkg_thermal_cpu_offline()
415 	zonedev->cpu = target;  in pkg_thermal_cpu_offline()
427 		      zonedev->msr_pkg_therm_low, zonedev->msr_pkg_therm_high);  in pkg_thermal_cpu_offline()
434 	if (zonedev->work_scheduled && was_target) {  in pkg_thermal_cpu_offline()
440 		cancel_delayed_work_sync(&zonedev->work);  in pkg_thermal_cpu_offline()
448 		if (!lastcpu && zonedev->work_scheduled)  in pkg_thermal_cpu_offline()
449 			pkg_thermal_schedule_work(target, &zonedev->work);  in pkg_thermal_cpu_offline()
468 		return -ENODEV;  in pkg_thermal_cpu_online()
472 		cpumask_set_cpu(cpu, &zonedev->cpumask);  in pkg_thermal_cpu_online()
489 		return -ENODEV;  in pkg_temp_thermal_init()
495 		return -ENOMEM;  in pkg_temp_thermal_init()